What's the difference between artilleryman and lascar?

Artilleryman

Definition:

• (n.) A man who manages, or assists in managing, a large gun in firing.

Example Sentences:

Lascar

Definition:

• (n.) A native sailor, employed in European vessels; also, a menial employed about arsenals, camps, camps, etc.; a camp follower.

Example Sentences:

• (1) "He gets called 'a little Lascar', which meant an Indian seaman, and there's a reference to Chinese-Indian parentage.